Q: What are the minimum requirements for UDK? A: Here are the minimum and recommended requirements...
Minimum:
Windows XP SP2, Windows Vista, or Windows 7
2.0+ GHz processor
2 GB system RAM
SM3-compatible video card
3 GB free hard drive space
Recommended for Content Development:
Windows 7 64-bit
2.0+ GHz multi-core processor
8 GB System RAM
NVIDIA 8000 series or higher graphics card
Plenty of HDD space
Minimum for DX11 Development:
Windows Vista
2.0+ GHz processor
2 GB system RAM
DX11 Graphics Card:
Nvidia: 400 series or above
ATI: 5000 series or above
3 GB Free hard drive space